/* Copyright 2022 The MediaPipe Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

package com.google.mediapipe.framework.image;

import android.graphics.Bitmap;
import com.google.mediapipe.framework.image.MPImage.MPImageFormat;

class BitmapImageContainer implements MPImageContainer {

  private final Bitmap bitmap;
  private final MPImageProperties properties;

  public BitmapImageContainer(Bitmap bitmap) {
    this.bitmap = bitmap;
    this.properties =
        MPImageProperties.builder()
            .setImageFormat(convertFormatCode(bitmap.getConfig()))
            .setStorageType(MPImage.STORAGE_TYPE_BITMAP)
            .build();
  }

  public Bitmap getBitmap() {
    return bitmap;
  }

  @Override
  public MPImageProperties getImageProperties() {
    return properties;
  }

  @Override
  public void close() {
    bitmap.recycle();
  }

  @MPImageFormat
  static int convertFormatCode(Bitmap.Config config) {
    switch (config) {
      case ALPHA_8:
        return MPImage.IMAGE_FORMAT_ALPHA;
      case ARGB_8888:
        return MPImage.IMAGE_FORMAT_RGBA;
      default:
        return MPImage.IMAGE_FORMAT_UNKNOWN;
    }
  }
}
